Home / 66,147.24-91,284.11-35,933.10

Finding the Fourth Proportional to 66,147.24, 91,284.11 and 35,933.10

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Solution

The fourth proportional to 66,147.24, 91,284.11 and 35,933.10 is: 49,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,147.24 : 91,284.11 = 35,933.10 : x
  2. Step 2: Convert to fraction form
    66,147.24/91,284.11 = 35,933.10/x
  3. Step 3: Cross multiply
    66,147.24x = 91,284.11 × 35,933.10
  4. Step 4: Simplify right side
    66,147.24x = 3,280,121,053.04
  5. Step 5: Solve for x
    x = 3,280,121,053.04/66,147.24
  6. Step 6: Final answer
    x = 49,588.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.